Is “Quadrumvirate” a Scrabble word?
Yes
QUADRUMVIRATE
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Quadrumvirate
noun
1.A group of four people, especially a council of four men sharing office or rule.